uraninite

noun
ura·​ni·​nite | \ yu̇-ˈrā-nə-ˌnīt How to pronounce uraninite (audio) \

Definition of uraninite

: a black octahedral mineral that consists of an oxide of uranium which usually contains thorium, lead, and rare earth elements and is the chief ore of uranium

First Known Use of uraninite

1879, in the meaning defined above

History and Etymology for uraninite

German Uranin uraninite (from New Latin uranium) + English -ite

Keep scrolling for more

Learn More about uraninite

Dictionary Entries near uraninite

uranicentric

uranide

uraniferous

uraninite

uranism

uranist

uranium

Statistics for uraninite

Look-up Popularity

Time Traveler for uraninite

The first known use of uraninite was in 1879

See more words from the same year

Keep scrolling for more

More Definitions for uraninite

uraninite

noun
ura·​ni·​nite | \ yu̇-ˈrā-nə-ˌnīt How to pronounce uraninite (audio) \

Medical Definition of uraninite

: a mineral that is basically a black octahedral or cubic oxide of uranium containing lead, thorium, and rare earth elements and that is the chief ore of uranium

More from Merriam-Webster on uraninite

Britannica.com: Encyclopedia article about uraninite

Comments on uraninite

What made you want to look up uraninite? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a strong desire or propensity

Get Word of the Day daily email!

Test Your Vocabulary

Challenging Vocabulary Quiz Returns!

  • stylized drawing of woman pole vaulting across gap to get trophy
  • Which is a synonym of fuliginous?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!